Finding the Fourth Proportional to 2,768.49, 4,150.59 and 1,888.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.49 : 4,150.59 = 1,888.83 : x
2. Step 2: Convert to fraction form
   2,768.49/4,150.59 = 1,888.83/x
3. Step 3: Cross multiply
   2,768.49x = 4,150.59 × 1,888.83
4. Step 4: Simplify right side
   2,768.49x = 7,839,758.91
5. Step 5: Solve for x
   x = 7,839,758.91/2,768.49
6. Step 6: Final answer
   x = 2,831.78